Enterprise Payment System (EPS) Deposit Instructions

These instructions include general technical information and instructions for sending electronic funds into your EPS account. The information here is designed for trust customers (and debit customers who need to initiate a fund transfer to cover a debit return problem).

MTEOR Registration Overview

New Mailers can register online for MTEOR through the Business Customer Gateway. This document outlines how to register for MTEOR.

PostalOne!® Contingency Plan

Parcel Data Exchange (PDX) API Customer Guide

This document provides a customer reference guide for Parcel Data Exchange (PDX) Web Application API.

Parcel Data Exchange (PDX) Mailbox User Guide

This document provides a customer reference guide for the Parcel Data Exchange (PDX) Mailbox Feature.

Parcel Data Exchange (PDX) Web Application User Guide

The Parcel Data Exchange (PDX) is accessed via the web and Application Programming Interface (API) to allow customers to send manifest files and receive outbound files from the United States Postal Service® (USPS®). This document provides the information necessary to begin using the web-based portion of the PDX application using a web browser.

LACSLink® Developer Certification Procedures

This document contains developer procedures for LACS^Link®.

Automated Business Reply Mail® (ABRM) Brochure

This brochure provides an overview of the ABRM tool, its benefits, and a quick guide for getting started.

Mail Anywhere Customer Participation Guide

This guide covers eligibility requirements, benefits, submission guidelines for the Mail Anywhere program.

Service Type Identifier (STID) Quick Service Guide

This document provides quick information about the STID (Service Type Identifier) - a three-digit numeric code used within the Intelligent Mail^® barcode (IMb™).